Home / 788,802.81-1,182,783.24-409,341.48

Finding the Fourth Proportional to 788,802.81, 1,182,783.24 and 409,341.48

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Solution

The fourth proportional to 788,802.81, 1,182,783.24 and 409,341.48 is: 613,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,802.81 : 1,182,783.24 = 409,341.48 : x
  2. Step 2: Convert to fraction form
    788,802.81/1,182,783.24 = 409,341.48/x
  3. Step 3: Cross multiply
    788,802.81x = 1,182,783.24 × 409,341.48
  4. Step 4: Simplify right side
    788,802.81x = 484,162,241,980.80
  5. Step 5: Solve for x
    x = 484,162,241,980.80/788,802.81
  6. Step 6: Final answer
    x = 613,793.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.